Re: Tomcat Connection Pool?

From: Bjørn T Johansen <btj(at)havleik(dot)no>
To: "pgsql-general (at) postgresql (dot) org" <pgsql-general(at)postgresql(dot)org>
Subject: Re: Tomcat Connection Pool?
Date: 2003-09-03 21:56:42
Message-ID: 1062626202.18977.21.camel@pennywise.havleik.no
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Oki, thx... Any ideas to what is sensible values also?
(Like number of maxIdle compared to maxActive, etc..)

BTJ

On Wed, 2003-09-03 at 15:34, Paul Thomas wrote:
> On 02/09/2003 23:06 Bjørn T Johansen wrote:
> > I am running a connection pool for the PostgreSQL and I was wondering
> > which values you would reccommend for the connection pool?
> >
> > <parameter>
> > <name>maxWait</name>
> > <value>5000</value>
> > </parameter>
> > <parameter>
> > <name>maxActive</name>
> > <value>10</value>
> > </parameter>
> > <parameter>
> > <name>maxIdle</name>
> > <value>2</value>
> > </parameter>
> >
> > What does maxWait and maxIdle means?
>
> maxWait is is maximum time the connection pool will wait for a connection
> to become available so it only has an effect when all maxActive
> connections are being used at the same time. maxIdle is the maximum number
> of connections what the pool will keep open. Using your settings as an
> example, say you reach a point where all 10 connections have beed created
> and are in use and that sometime later the nunber of requests drops so
> that they can serviced by just a few connections. In this case excess idle
> connections will be closed but there will always be at least maxIdle
> connections left open.
> HTH

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